#!/usr/bin/env python

import difflib

f1 = open('hello.txt')
f2 = open('hi.txt')

src = f1.read()
dst = f2.read()

print(src)
print(dst)

s = difflib.SequenceMatcher(lambda x: x == "", src ,dst)
for tag, i1, i2, j1, j2 in s.get_opcodes():
    print()
